//********************************************************************
//  DotsMouseListener.java       Author: Lewis and Loftus
//
//  Rappresenta un oggetto listener di eventi del mouse.
//********************************************************************

import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;

class DotsMouseListener implements MouseListener 
{
   private Dots applet;

   //-----------------------------------------------------------------
   //  Memorizza un riferimento all'applet.
   //-----------------------------------------------------------------
   public DotsMouseListener (Dots applet)
   {
      this.applet = applet;
   }

   //-----------------------------------------------------------------
   //  Determina il punto in cui il mouse è azionato, fissa il punto
   //  nell'applet quindi forza l'applet a ridisegnare.
   //-----------------------------------------------------------------
   public void mouseClicked (MouseEvent event)
   {
      Point clickPoint = event.getPoint();
      applet.setPoint (clickPoint);
      applet.repaint();
   }

   //-----------------------------------------------------------------
   //  Fornisce definizioni vuote per metodi evento non usati.
   //-----------------------------------------------------------------
   public void mousePressed (MouseEvent event) {}
   public void mouseReleased (MouseEvent event) {}
   public void mouseEntered (MouseEvent event) {}
   public void mouseExited (MouseEvent event) {}
}